Practice the questions given in the worksheet on application of Factor Theorem.
1. Find the roots of the equation 6z\(^{2}\) + 11z -10 = 0. Hence, factorize 6z\(^{2}\) + 11z -10.
2. Find the roots of the equation 2m\(^{2}\) - 3m - 6 = 0. Hence, factorize 2m\(^{2}\) - 3m - 6 = 0
3. Find the roots of the equation p(p + 1) - 4 = 0. Hence, factorize 4 - p - p\(^{2}\).
4. Find the quadratic equation whose roots are
(i) -3, 7
(ii) 2 + √3, 2 - √3
(iii) \(\frac{1}{√3}\), - \(\frac{1}{√3}\)
5. Find the cubic equation whose roots are
(i) 1, 2, 3
(ii) -4, √3, -√3
(iii) \(\frac{1}{2}\), \(\frac{√5}{2}\), \(\frac{-√5}{2}\)
Answers for the worksheet on application of Factor Theorem are given below:
Answers:
1. \(\frac{2}{3}\) , \(\frac{-5}{2}\); (3z - 2)(2z + 5)
2. \(\frac{3 + √57}{4}\), \(\frac{3 - √57}{4}\); (2m - \(\frac{3 + √57}{2}\))(m - \(\frac{3 - √57}{4}\))
3. \(\frac{-1 + √17}{2}\), \(\frac{-1 - √17}{2}\); (\(\frac{-1 + √17}{2}\) - p)( \(\frac{1 + √17}{2}\) + p)
4. (i) y\(^{2}\) - 4y -21 = 0
(ii) z\(^{2}\) - 4z + 1 = 0
(iii) 3p\(^{2}\) - 1 = 0
5. (i) z\(^{3}\) - 6z\(^{2}\) + 11z - 6
(ii) m\(^{3}\) + 4m\(^{2}\) - 3m - 12
(iii) 8k\(^{3}\) - 4k\(^{2}\) - 10k + 5 = 0
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